Application of 143726-85-6, In the chemical reaction process,reaction time,type of solvent,can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product.An updated downstream synthesis route of 143726-85-6 as follows.
C. 4- (1, 1, 4-Trioxo-1, 2, 5-thiadiazolidin-2-ylmethyl)-benzoic acid 4-t-butoxycarbonyl- benzyl ester; A solution of the title B compound, 4- [5- (2, 4-dimethoxy-benzyl)-1, 1, 4-trioxo-1, 2,5- thiadiazolidin-2-ylmethyl]-benzoic acid (84 mg, 0.2 mmol) and 4-hydroxymethyl-benzoic acid t-butyl ester (42 mg, 0.2 mmol) in CH2CI2 (3 mL) is treated with DMAP (12 mg, 0.1 mmol) and the reaction is cooled to 5C. EDCI (39 mg, 0.2 mmol) is then added and the reaction is stirred for 16 h. The mixture is concentrated and partioned between EtOAc and 1 N aqueous HCI. The organic solution is washed with saturated aqueous NaHCO3 and brine, dried over anhydrous MgS04 and concentrated to give 4- (1, 1, 4-trioxo-1, 2, 5-thiadiazolidin-2-ylmethyl)- benzoic acid 4-t-butoxycarbonyl-benzyl ester as a white solid.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route,143726-85-6, its application will become more common.
Reference:
Patent; NOVARTIS AG; NOVARTIS PHARMA GMBH; WO2003/82841; (2003); A1;,
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